The International League of Dermatological Societies was created in 1935.
International League was created in 1885.
International Monarchist League was created in 1943.
International Soccer League was created in 1960.
International Basketball League was created in 2004.
Southwest International League was created in 1951.
International Automobile League was created in 1908.
International Fight League was created on 2006-01-07.
Workers International Vanguard League was created in 1996.
International Professional Hockey League was created in 1904.
International Baseball League of Australia was created in 1999.
La Leche League International was created in 1956.
International League of Antiquarian Booksellers was created in 1947.